Yui, the president's daughter, is a female student attending a school for young ladies. Her personal life was extremely wealthy, and she grew up without knowing any filth or hardship. One day, a man named Saji, who was her father's servant, attacks Yui and abducts her. Zuoji, who had repeatedly made mistakes at her job, was finally fired, and in order to clear his grudge, he turned on Yui. Saji also offers Yui to the yakuza who owe her money...